Part 2: crossing beak color and feather color. 1. cross one parent that is heterozygous for both beak and feather color with a parent that is hmozygous for both recessive traits. what are the genotypyes of both parents? (hint: recall that p generation includes a heterozygous parent with dominant traits and homozygous parent with recessive traits) yybb: 420, yybb: 80, yybb: 80,yybb: 420. 2. which offspring are the recombinant in this cross? 3. how are apart are y and b?

What causes darkening of the skin as melanin production increases

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody

Which of the characteristics of life does a virus display